Freelancers para contratação em Brazil
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Mostrando 42 resultados
Freelancers Patrocinados
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I’m an AI and blockchain specialist with 8 years of experience developing innovative solutions in Web3, DeFi, smart contracts, and AI-driven applications. I have good experience in JS/TS base UI Frameworks like React and Vue as well as NodeJS, Application development. I have been involved in a bunch of web &...I’m an AI and blockchain specialist with 8 years of experience developing innovative solutions in Web3, DeFi, smart contracts, and AI-driven applications. I have good experience in JS/TS base UI Frameworks like React and Vue as well as NodeJS, Application development. I have been involved in a bunch of web & blockchain projects and developed several SaaS Products and deployed to AWS, Heroku and Digital Ocean successfully. My expertise includes: Blockchain: Smart contract development (Solidity, Rust), DeFi protocols, NFT marketplaces AI & ML: Predictive analytics, NLP, deep learning models Tech Stack: Python, TensorFlow, Solidity, Ethereum, Solana, Hyperledger My strengths as a developer include: - Worked on front-end modules React, React-Native, Vue, Angular, Javascript, Typescript and Next.js with the latest technologies and experience - Hands-on experience in micro-service architecture (Node.Js, GraphQL, Laravel, Django, .NET, Python). - Built many kinds of web3 projects like DeFi, NFT, DAO using Solidity and Rust. - A deep understanding of microservice architecture, which has allowed me to design scalable and efficient systems. - Expertise in cloud platforms, including AWS, GCP, and Azure, for deploying and managing cloud-based applications. - Strong familiarity with containerization and orchestration tools like Docker and Kubernetes. - A commitment to best practices, clean code, and efficient testing to ensure the reliability and maintainability of my solutions. I’ve worked with startups and enterprises to build cutting-edge AI and blockchain solutions that drive efficiency and innovation. Let’s collaborate to turn your vision into reality! menos
Contratar Nilosiqueiratj
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I have delivered a wide range of web solutions, from e-commerce platforms and custom dashboards to real-time applications and API integrations. I prioritize collaboration, agile development, and continuous learning to stay ahead in an ever-evolving tech landscape. Core Skills: 🔹Frontend: React.js, Next.js,...I have delivered a wide range of web solutions, from e-commerce platforms and custom dashboards to real-time applications and API integrations. I prioritize collaboration, agile development, and continuous learning to stay ahead in an ever-evolving tech landscape. Core Skills: 🔹Frontend: React.js, Next.js, Angular.js, Vue.js, Nuxt.js, Tailwind CSS, SCSS, Webpack 🔹Backend: Laravel, Node.js, Express.js, Python, RESTful APIs, Microservices 🔹Databases: MySQL, PostgreSQL, MongoDB 🔹DevOps: Docker, Git, CI/CD 🔹Testing: PHPUnit, Jest, Cypress Proficient in machine learning, NLP, and AI integrations, with practical experience in platforms like OpenAI GPT, LangChain, n8n, Zapier, Make (Integromat), and custom Python automation. From lead enrichment and chatbots to automated content generation and intelligent scraping, I deliver automation that saves time and drives results. 🔹LLM APIs: OpenAI, Google PaLM, Cohere, Hugging Face 🔹Automation: n8n, Zapier, Make, Python scripting 🔹Data: Web scraping, ETL pipelines, data parsing 🔹AI Tools: LangChain, Pinecone, Vector Search, RAG 🔹Custom Solutions: Chatbots, document automation, AI assistants 🔹Frameworks: TensorFlow, PyTorch, Scikit-learn, XGBoost, Keras, spaCy, Hugging Face Transformers, OpenAI GPT-4, BERT, LLaMA, Claude, Gemini menos
Contratar melopgabriel
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I’m a Senior Software Engineer with 7+ years of experience building scalable, high-performance applications across web and mobile platforms. I specialize in JavaScript/TypeScript, React, React Native, Node.js, Laravel, Django, and cloud services (AWS, GCP, Azure). ✅ What I Do Best: - Full-stack development (frontend...I’m a Senior Software Engineer with 7+ years of experience building scalable, high-performance applications across web and mobile platforms. I specialize in JavaScript/TypeScript, React, React Native, Node.js, Laravel, Django, and cloud services (AWS, GCP, Azure). ✅ What I Do Best: - Full-stack development (frontend + backend + database + APIs) - Mobile app development (iOS & Android, React Native / Flutter / Swift / Android Studio) - Scalable backend systems (Node.js, Laravel, Django, Express.js, Next.js) - RESTful & GraphQL API design and integration - Database architecture (MySQL, PostgreSQL, MongoDB) - Cloud deployment & DevOps (AWS, Docker, CI/CD pipelines) - Payment gateway integrations (PayPal, Stripe, Payoneer, crypto) - Third-party API integrations (Firebase, Twilio, Google APIs, etc.) I’ve successfully delivered dozens of projects, from SaaS platforms to fintech solutions, e-commerce systems, and custom business apps. Let’s bring your project idea to life with robust and scalable solutions. menos
Contratar shanec35
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FernandaLeAvi FernandaLeAvi
$25 Dólares / hora
GRAPHIC DESIGNER | ADOBE SUITE EXPERT | EDITINGBrazilWith over 4 years of experience as a Graphic Designer, I specialize in developing compelling visual identities and digital marketing collateral that drive brand growth and audience engagement. I have a proven track record of success working with a diverse range of global clients and public sector organizations. I am...With over 4 years of experience as a Graphic Designer, I specialize in developing compelling visual identities and digital marketing collateral that drive brand growth and audience engagement. I have a proven track record of success working with a diverse range of global clients and public sector organizations. I am passionate about creating cohesive brand experiences across all platforms, from print materials and presentations to websites and social media campaigns. From initial concept and wireframing to final execution, I manage the end-to-end design process to transform complex ideas into clean, impactful visuals. Key Areas of Expertise: • Digital & Print Design (Social Media Graphics, Posters, Brochures) • Presentation & Pitch Deck Design • Visual Identity & Branding (Logos, Style Guides, Typography) • UI Principles & Website Redesign (WordPress) • Video Editing & Motion Graphics (Premiere, CapCut) I am always eager to take on new challenges and collaborate on exciting projects. Please feel free to connect and let's build something amazing together! menos
Contratar FernandaLeAvi
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Welcome to my profile! 1. I’m looking for a long-term partnership, even if the initial budget is modest. 2. I’m fluent in English and also speak Portuguese, as I’m currently based in Brazil. 3. I always work with reliability, integrity, and full commitment to every client project. 4. I can adapt to your time zone. 5....Welcome to my profile! 1. I’m looking for a long-term partnership, even if the initial budget is modest. 2. I’m fluent in English and also speak Portuguese, as I’m currently based in Brazil. 3. I always work with reliability, integrity, and full commitment to every client project. 4. I can adapt to your time zone. 5. I am open to signing an NDA if required. You’re welcome to review my skills and experience below. - Frontend: React.js, Next.js, BootStrape, Tailwind CSS, SEO setup ... - Backend: C++, C#, .Net, Node.js, PHP, Laravel, Django ... - Databases & Integrations: MySQL, PostgreSQL, MongoDB - Integration: Calendar, Payment Gateway, Chatbot, Social media ... - AI development: Chatbot, AI model building, Machine Learning, Tensorflow, PyTorch ... Vercel, OVH, SiteGround, Godaddy, Railway, Lovable, Jogg.ai, Kaggle ... Please send message! menos
Contratar Lucasc924
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Desenvolvimento de Software, Desenvolvimento de Chatbot com IA, Desenvolvimento de IA, Amazon Web Services, AndroidPython Expert With extensive experience building scalable, intelligent applications. My core strengths include: - Python & AI: Advanced skills in AI/ML development, deep learning, NLP, and data-driven solutions. - Web Scraping: Efficient and reliable data extraction using Python tools like BeautifulSoup, Scrapy,...Python Expert With extensive experience building scalable, intelligent applications. My core strengths include: - Python & AI: Advanced skills in AI/ML development, deep learning, NLP, and data-driven solutions. - Web Scraping: Efficient and reliable data extraction using Python tools like BeautifulSoup, Scrapy, and Selenium. - Full Stack Development: Proficient with React.js for building dynamic, responsive user interfaces. - Cloud & DevOps: Hands-on experience with AWS services such as Lambda, S3, EC2, and serverless architecture. - Backend Development: Skilled in Python frameworks like Django and Flask for creating APIs and backend logic. - Database Management: Expertise in both SQL and NoSQL databases. Let’s collaborate to bring intelligent software solutions to life! menos
Contratar albertoprata
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Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido.Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido. menos
Contratar Valdineilebkuche
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Hello, I can create the product you want with the best quality! Always delivering proposal to your satisfaction! Our skills include: Identity creation, Image manipulation, Photo retouch, Illustrations, Product design, Animation, Rendering, Video edition. Technical design.Hello, I can create the product you want with the best quality! Always delivering proposal to your satisfaction! Our skills include: Identity creation, Image manipulation, Photo retouch, Illustrations, Product design, Animation, Rendering, Video edition. Technical design. menos
Contratar williamgcc
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Desenvolvimento de Chatbot com IA, Desenvolvimento de API, Integração de API, Inteligência Artificial, AutomaçãoI’m a results-driven Full Stack Developer who loves building powerful, seamless, and scalable web solutions using JavaScript and Python. With hands-on experience across both frontend and backend ecosystems, I transform ideas into production-ready applications that are fast, reliable, and beautifully crafted. ✔...I’m a results-driven Full Stack Developer who loves building powerful, seamless, and scalable web solutions using JavaScript and Python. With hands-on experience across both frontend and backend ecosystems, I transform ideas into production-ready applications that are fast, reliable, and beautifully crafted. ✔ Frontend expertise: React, Next.js, Vue, and modern UI frameworks that deliver pixel-perfect, responsive designs. ✔ Backend mastery: Node.js, Express, Django, and Flask — building APIs that are secure, efficient, and easy to maintain. ✔ Database fluency: MongoDB, PostgreSQL, and MySQL — optimized for performance and clean data architecture. ✔ Integration & automation: REST, GraphQL, WebSockets, and third-party APIs — for dynamic, real-time user experiences. ✔ Deployment confidence: Docker, AWS, and CI/CD workflows to ensure smooth delivery and scalability. I bring together creativity, code, and problem-solving to build applications that not only work flawlessly — but feel effortless. menos
Contratar harryo34
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Hey, tenho conhecimento em Design, sei criar flyers, panfletos cartões de visita e posts para midias sociais no geral. Sei trabalhar tambem com ADS do google, facebook, instagram. Tambem entendo de comunicação, redação no geral em 4 linguas: ingles, frances, italiano, espanhol e portuguêsHey, tenho conhecimento em Design, sei criar flyers, panfletos cartões de visita e posts para midias sociais no geral. Sei trabalhar tambem com ADS do google, facebook, instagram. Tambem entendo de comunicação, redação no geral em 4 linguas: ingles, frances, italiano, espanhol e português menos
Contratar AstrisxJob
